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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1331) dfs -test should work like /bin/test
Date Tue, 06 Nov 2012 03:46:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491188#comment-13491188

Hadoop QA commented on HDFS-1331:

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-common-project/hadoop-common

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/3446//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/3446//console

This message is automatically generated.
> dfs -test should work like /bin/test
> ------------------------------------
>                 Key: HDFS-1331
>                 URL: https://issues.apache.org/jira/browse/HDFS-1331
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: tools
>    Affects Versions: 0.20.2, 3.0.0, 2.0.2-alpha
>            Reporter: Allen Wittenauer
>            Assignee: Andy Isaacson
>            Priority: Minor
>         Attachments: hdfs1331-2.txt, hdfs1331-3.txt, hdfs1331-4.txt, hdfs1331.txt, hdfs1331-with-hadoop8994.txt
> hadoop dfs -test doesn't act like its shell equivalent, making it difficult to actually
use if you are used to the real test command:
> hadoop:
> $hadoop dfs -test -d /nonexist; echo $?
> test: File does not exist: /nonexist
> 255
> shell:
> $ test -d /nonexist; echo $?
> 1
> a) Why is it spitting out a message? Even so, why is it saying file instead of directory
when I used -d?
> b) Why is the return code 255? I realize this is documented as '0' if true.  But docs
basically say the value is undefined if it isn't.
> c) where is -f?
> d) Why is empty -z instead of -s ?  Was it a misunderstanding of the man page?

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